Question about 1986 Honda XR 250 R
Hello i need help with my dirt bike how do i loosen the chain tensioner because i bought a new camshaft and i need to get the chain to go a little bit higher
You must remove the entire tensioner and leave it out while you swap out the sprocket. Set it to it most retracted position and then install. Adjust it after it is installed. Make sure you have some slack or you will break the chain.
Posted on Feb 10, 2014
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Posted on Jan 02, 2017
No not unless you split the chain(not reccomended),if your changeing the chain i would suggest new chain tensioners frt and rear cyl. they where known to go bad,i replaced mine in my interceptor and my v65 magna.
Posted on Apr 07, 2009
sorry to tell you this but it might be the head. This model ran a no bearing head for the cams and they wear out. If it is the chain you got lucky, there are after market quality chains and tensioners out there
Posted on Apr 18, 2010
SOURCE: Cam chain tensioners
i replaced mine on my cbr f1 with a salvaged one... a couple of bolts and it took me 20 minutes with fairings off. it was a good thing i replaced it, because the old one was worn down really bad, and its was wobbly. I heard that if you use an aftermarket and you don't know what your doing you could cause damage. can i get some feedback, thanks
Posted on Apr 27, 2010
You have a self adjusting cam chain tensioner. It is sold as an assembly. Take out the complete unit and replace it with a new one. The springs are not bad , the device that keeps the pressure on the tensioner is slipping causing a ticking sound.
Posted on May 16, 2010
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Removal & Installation
Fig. Timing belt routing and timing marks-3.5L Engine
Fig. Timing belt and related components-3.5L Engine
Fig. Adjusting the tensioner pulley-3.5L Engine
Fig. Measuring the auto tensioner rod-3.5L Engine
Timing Chain, Sprockets, Front Cover & Seal
Removal & Installation
Fig. Timing chain and related components-3.8L Engine
Fig. Left timing chain markings and installation: (D) exhaust camshaft sprocket (C) intake camshaft sprocket-3.8L Engine
Fig. Right timing chain markings and installation: (C) exhaust camshaft sprocket (B) intake camshaft sprocket-3.8L Engine
Fig. Sealant application (1 inch bead width)-3.8L Engine
Fig. Timing cover sealant application-3.8L Engine
Fig. Timing cover gasket installation (A) gaskets-3.8L Engine
Fig. Timing cover bolt torque sequence and specification-3.8L Engine
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